HBL950 specs:Torque (kg-cm): 13.3 (6.0V) / 16.5 (7.4V) / 18.18 (8.2V)Speed: 0.12 s (6.0V) / 0.10 s (7.4V) / 0.09 s (8.2V)Stall Current (at locked load): 2.3A (6.0V) / 2.8A (7.4V) / 3.1A (8.2V)Working Voltage: 6.0V - 8.4V DC VoltsWorking Frequency: 1520µs / 333HzDead Band: 0.0008ms (Default)Bearing: 2* Ball BearingGear: Metal Alloy GearMotor: Japan-Made Brushless MotorWeight: 70.29 g (2.48 oz)Dimensions: 40 x 20 x 40 mm